Welding device



FIG. 1 is a front perspective view of a welding device showing our new design according to a first embodiment;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front perspective view of a welding device showing our new design according to a second embodiment;

FIG. 9 is a front elevation view thereof;

FIG. 10 is a rear elevation view thereof;

FIG. 11 is a right side elevation view thereof;

FIG. 12 is a left side elevation view thereof;

FIG. 13 is a top plan view thereof;

FIG. 14 is a bottom plan view thereof;

FIG. 15 is a front perspective view of a welding device showing our new design according to a third embodiment;

FIG. 16 is a front elevation view thereof;

FIG. 17 is a rear elevation view thereof;

FIG. 18 is a right side elevation view thereof;

FIG. 19 is a left side elevation view thereof;

FIG. 20 is a top plan view thereof;

FIG. 21 is a bottom plan view thereof;

FIG. 22 is a front perspective view of a welding device showing our new design according to a fourth embodiment;

FIG. 23 is a front elevation view thereof;

FIG. 24 is a rear elevation view thereof;

FIG. 25 is a right side elevation view thereof;

FIG. 26 is a left side elevation view thereof;

FIG. 27 is a top plan view thereof; and,

FIG. 28 is a bottom plan view thereof.

The dashed broken lines in the figures depict portions of the welding device that form no part of the claimed design. 

CLAIM The ornamental design for a welding device, as shown and described. 